//单纯的栗子
let users = {
  insert: (username, password) => {
    return `INSERT INTO users(username, password) VALUES ("${username}","${password}")`;
  },
  update: "UPDATE users SET name=?, age=? WHERE id=?",
  delete: "DELETE FROM users WHERE id=?",
  queryById: "SELECT * FROM users WHERE id=?",
  queryAll: "SELECT * FROM users",
};
module.exports = {
  users,
};
